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Post by mauro on Aug 18, 2018 1:10:52 GMT
I have a HFMA1-L6 replacement power transformer which is installed in a model R jukebox. The owner said it worked great when they used to use the jukebox some 7 years ago.
My question is what is the effect of our 60 cycle power on this transformer?
Is it safe to leave in this amp?
Thanks, Mauro
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Post by Ron Rich on Aug 18, 2018 2:43:30 GMT
Mauro,
Whutchewsmokin ?? A "25 -- cycle--transformer" ? My guess is that transformer is the same for both amps--perhaps a different number, as Seeburg did this if a lead length or wire color was different--but to check on this, just read the schematics --- Ron Rich
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Post by mauro on Aug 18, 2018 14:56:46 GMT
Ron,
I know it's an oddity, that's why I posted the question.
The original power transformer has been replaced with a Hammond 273Z25 which according to specs is a 25 cycle transformer??
I know it doesn't make sense but thats what's installed.
That's why I asked, never seen this before and dont know how it will react.
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Post by Ron Rich on Aug 18, 2018 15:26:18 GMT
Hi Mauro,
As I understand it, a 50 cycle transformer will work in place of a 60 cycle unit-- I am ASSUMING, that if rated for a lower amount of "cycles" (Hertz), a transformer will work at a higher number, OK ? Is this amp working ? Check the temperature of that transformer --Ron Rich
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Post by mauro on Aug 18, 2018 21:27:58 GMT
Ron,
I remembered about 50 and 60 hz but just wasnt sure about 25 hz??
Apparently the amp was working fine when last in service.
I will go ahead with the rebuild and check the temp when its operating.
Thank you!
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